package oop;
@FunctionalInterface//函数型接口
interface FKTest{
    void fun();
}
public class InterfaceTest {
    public static void main(String[] args) {
        FKTest ocj1= () ->{
            for(int i=0;i<100;i++){
                System.out.println();
            }
        };
        ocj1.fun();
    }
}
